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34 lines
712 B
C++
34 lines
712 B
C++
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//
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// Created by xiemenghui on 2018/7/21.
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//
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#include "ObserverMain.h"
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void ObserverMain()
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{
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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ConcreteSubject * pSubject = new ConcreteSubject();
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// <20><><EFBFBD><EFBFBD><EFBFBD>۲<EFBFBD><DBB2><EFBFBD>
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IObserver * pObserver1 = new ConcreteObserver("Jack Ma");
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IObserver * pObserver2 = new ConcreteObserver("Pony");
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// ע<><D7A2><EFBFBD>۲<EFBFBD><DBB2><EFBFBD>
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pSubject->Attach(pObserver1);
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pSubject->Attach(pObserver2);
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// <20><><EFBFBD>ļ۸<DBB8>֪ͨ<CDA8>۲<EFBFBD><DBB2><EFBFBD>
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pSubject->SetPrice(12.5);
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pSubject->Notify();
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// ע<><D7A2>һ<EFBFBD><D2BB><EFBFBD>۲<EFBFBD><DBB2><EFBFBD>
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pSubject->Detach(pObserver2);
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// <20>ٴθ<D9B4><CEB8><EFBFBD>״̬<D7B4><CCAC><EFBFBD><EFBFBD>֪ͨ<CDA8>۲<EFBFBD><DBB2><EFBFBD>
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pSubject->SetPrice(15.0);
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pSubject->Notify();
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SAFE_DELETE(pObserver1);
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SAFE_DELETE(pObserver2);
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SAFE_DELETE(pSubject);
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}
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